1 files changed, 156 insertions, 0 deletions
diff --git a/src/misc/types.h b/src/misc/types.h
new file mode 100644
index 0000000..b75394c
--- /dev/null
+++ b/src/misc/types.h
@@ -0,0 +1,156 @@
+/*
+ * ecgen, tool for generating Elliptic curve domain parameters
+ * Copyright (C) 2017 J08nY
+ */
+/**
+ * @file types.h
+ */
+#ifndef ECGEN_TYPES_H
+#define ECGEN_TYPES_H
+
+#include <limits.h>
+#include <pari/pari.h>
+#include "misc/config.h"
+
+/**
+ * @brief
+ * @param bits
+ * @param bitlen
+ * @param allocated
+ */
+typedef struct {
+	unsigned char *bits;
+	size_t bitlen;
+	size_t allocated;
+} bits_t;
+
+/**
+ * @brief
+ */
+typedef struct seed_t {
+	bits_t *seed;
+	unsigned char *hash20;
+	union {
+		struct {
+			GEN t;
+			GEN s;
+			GEN h;
+			GEN r;
+		} ansi;
+		struct {
+			bits_t *f;
+		} brainpool;
+	};
+} seed_t;
+
+/**
+ * @brief A point type.
+ * @param point a t_VEC with t_INTMOD or t_FFELT components [x,y]
+ * @param order a t_INT
+ * @param cofactor a t_INT
+ */
+typedef struct {
+	GEN point;
+	GEN order;
+	GEN cofactor;
+} point_t;
+
+/**
+ * @brief A curve type.
+ * @param seed a seed_t
+ * @param field a t_INT or t_FFELT
+ * @param a a t_INTMOD or t_FFELT a parameter
+ * @param b a t_INTMOD or t_FFELT b parameter
+ * @param curve a t_ELL, curve object
+ * @param order a t_INT, curve order
+ * @param generators generators saved
+ * @param ngens   numver of generators saved in the curve type
+ * @param points  points saved
+ * @param npoints number of points saved in the curve type
+ */
+typedef struct {
+	seed_t *seed;
+	GEN field;
+	GEN a;
+	GEN b;
+	GEN curve;
+	GEN order;
+	point_t **generators;
+	size_t ngens;
+	point_t **points;
+	size_t npoints;
+} curve_t;
+
+/**
+ * @brief
+ */
+typedef enum {
+	OFFSET_SEED = 0,
+	OFFSET_FIELD,
+	OFFSET_A,
+	OFFSET_B,
+	OFFSET_CURVE,
+	OFFSET_ORDER,
+	OFFSET_GENERATORS,
+	OFFSET_POINTS,
+	OFFSET_END
+} offset_e;
+
+/**
+ * @brief
+ */
+typedef struct {
+	const void *args;
+	size_t nargs;
+	void *allocd;
+} arg_t;
+
+/**
+ * @brief A generator function type.
+ * @param curve A curve_t being generated
+ * @param cfg An application config
+ * @param args Current optional generator argument
+ * @return state diff
+ */
+#define GENERATOR(gen_name) \
+    int gen_name(curve_t *curve, const config_t *cfg, arg_t *args)
+
+typedef GENERATOR((*gen_t));
+
+/**
+ * @brief An unroll function type
+ * @param curve
+ * @param cfg
+ * @param from
+ * @param to
+ * @return
+ */
+#define UNROLL(unroll_name)                                            \
+    int unroll_name(curve_t *curve, const config_t *cfg, pari_sp from, \
+                    pari_sp to)
+
+typedef UNROLL((*unroll_t));
+
+/**
+ * GENERATOR(gen_t)
+ *
+ *
+ * @param curve A curve_t being generated
+ * @param cfg An application config
+ * @param args unused
+ * @return state diff
+ */
+GENERATOR(gen_skip);
+
+/**
+ * UNROLL(unroll_t)
+ *
+ * @param curve
+ * @param cfg
+ * @param from
+ * @param to
+ * @return
+ */
+UNROLL(unroll_skip);
+
+#endif  // ECGEN_TYPES_H